Tell me, I know you're paper has to do with your coursework, and ther novel Beloved. What exactly is it that your instructor is looking for in your research.
I read the post before this, and Like Aslan said your topic (all slavemasters being evil) is very complex. All slavemasters were not evil, they weren't all abusive and cruel. Go back to classes you've taken in World History and what you learned about slavery, take a look at the Old Testament, Ancient Rome, ect. ect.
If your paper is attempting to debate the "evils" of slavemasters, I can see why you're looking to "prove" your stance on "evil," but the fact is............. that's not a true statement.